Demonstração de um app simples de consulta de CNPJ na API ReceitaWS feito com React Native (usando o create-react-native-app) e a biblioteca de componentes NativeBase
Veja o app no Expo clicando aqui
Demonstration of a simple CNPJ search in ReceitaWS made with React Native (using the create-react-native-app) and the component lib NativeBase
Watch the live demo clicking here